Comparative Evaluation of the Sniffing Position with Simple Head Extension for Laryngoscopic View and Intubation Difficulty in Adults Undergoing Elective Surgery

<table>The distribution of Intubation Difficulty Scale scores among patients in the sniffing position and the simple head extension group. The absolute numbers of patients is shown above each vertical bar.</table>

Anesthesiology Research and Practice

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Figure 1

Figure 1: Comparative Evaluation of the Sniffing Position with Simple Head Extension for Laryngoscopic View and Intubation Difficulty in Adults Undergoing Elective Surgery 

Figure 1 | Comparative Evaluation of the Sniffing Position with Simple Head Extension for Laryngoscopic View and Intubation Difficulty in Adults Undergoing Elective Surgery 